gsCore.h

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//  ____     ___ |    / _____ _____
// |  __    |    |___/    |     |
// |___| ___|    |    \ __|__   |     gsKit Open Source Project.
// ----------------------------------------------------------------------
// Copyright 2004 - Chris "Neovanglist" Gilbert <Neovanglist@LainOS.org>
// Licenced under Academic Free License version 2.0
// Review gsKit README & LICENSE files for further details.
//
// gsCore.h - Header for gsCore.c
//
// Parts taken from emoon's BreakPoint Demo Library
//
 
#ifndef __GSCORE_H__
#define __GSCORE_H__
 
#include "gsKit.h"

#define GSKIT_ALLOC_SYSBUFFER 0x00
#define GSKIT_ALLOC_USERBUFFER 0x01

#define GSKIT_ALLOC_ERROR 0x00

#define GS_GIF_BLOCKSIZE 0x7fff

#define GS_VRAM_BLOCKSIZE_8K 8192
#define GS_VRAM_BLOCKSIZE_256 256
#define GS_VRAM_TBWALIGN 64
#define GS_VRAM_TBWALIGN_CLUT 128

#define GS_CMODE_REPEAT 0x00
#define GS_CMODE_CLAMP 0x01
#define GS_CMODE_REGION_CLAMP 0x02
#define GS_CMODE_REGION_REPEAT 0x03
#define GS_CMODE_RESET 0xFF

#define GS_SCISSOR_RESET 0x00

#define GS_ZTEST_OFF 0x01
#define GS_ZTEST_ON 0x02
#define GS_ATEST_OFF 0x03
#define GS_ATEST_ON 0x04
#define GS_D_ATEST_OFF 0x05
#define GS_D_ATEST_ON 0x06

#define GS_FILTER_NEAREST 0x00
#define GS_FILTER_LINEAR  0x01

#define GS_CLUT_STORAGE_CSM1 0x00
#define GS_CLUT_STORAGE_CSM2 0x01

struct gsVertex
{
    s32 x __attribute__ ((packed));
    s32 y __attribute__ ((packed));
    s32 z __attribute__ ((packed));
};
typedef struct gsVertex GSVERTEX;

typedef enum {
    GSFLIP_DIRECT = 0,       
    GSFLIP_VSYNC = 1,        
    GSFLIP_RATE_LIMIT_1 = 2, 
    GSFLIP_RATE_LIMIT_2 = 3  
} GSFLIP_MODE;
 
#ifdef __cplusplus
extern "C" {
#endif

u32 gsKit_vram_alloc(GSGLOBAL *gsGlobal, u32 size, u8 type);

void gsKit_vram_clear(GSGLOBAL *gsGlobal);

void gsKit_sync_flip(GSGLOBAL *gsGlobal);

void gsKit_lock_buffer(GSGLOBAL *gsGlobal);

void gsKit_unlock_buffer(GSGLOBAL *gsGlobal);

int gsKit_lock_status(GSGLOBAL *gsGlobal);

void gsKit_display_buffer(GSGLOBAL *gsGlobal);

void gsKit_switch_context(GSGLOBAL *gsGlobal);

void gsKit_setactive(GSGLOBAL *gsGlobal);

void gsKit_finish(void);

void gsKit_vsync_wait(void);

void gsKit_hsync_wait(void);

void gsKit_vsync_nowait(void);

int gsKit_add_vsync_handler(int (*vsync_callback)(int));

void gsKit_remove_vsync_handler(int callback_id);

int gsKit_add_hsync_handler(int (*hsync_callback)(int));

void gsKit_remove_hsync_handler(int callback_id);

int gsKit_add_finish_handler(int (*finish_callback)(int));

void gsKit_remove_finish_handler(int callback_id);

void gsKit_get_field(GSGLOBAL *gsGlobal);

void gsKit_set_drawfield(GSGLOBAL *gsGlobal, u8 field);

void gsKit_clear(GSGLOBAL *gsGlobal, u64 Color);

void gsKit_set_scissor(GSGLOBAL *gsGlobal, u64 ScissorBounds);

void gsKit_set_test(GSGLOBAL *gsGlobal, u8 Preset);

void gsKit_set_clamp(GSGLOBAL *gsGlobal, u8 Preset);

void gsKit_set_primalpha(GSGLOBAL *gsGlobal, u64 AlphaMode, u8 PerPixel);

void gsKit_set_texfilter(GSGLOBAL *gsGlobal, u8 FilterMode);

void gsKit_set_texclut(GSGLOBAL *gsGlobal, gs_texclut texClut);

void gsKit_set_dither_matrix(GSGLOBAL *gsGlobal);

void gsKit_set_dither(GSGLOBAL *gsGlobal);

GSQUEUE gsKit_set_finish(GSGLOBAL *gsGlobal);

void gsKit_queue_reset(GSQUEUE *Queue);

void gsKit_queue_exec(GSGLOBAL *gsGlobal);

void gsKit_queue_exec_real(GSGLOBAL *gsGlobal, GSQUEUE *Queue);

void *gsKit_alloc_ucab(int size);

void gsKit_free_ucab(void *p);

void gsKit_queue_init(GSGLOBAL *gsGlobal, GSQUEUE *Queue, u8 mode, int size);

void gsKit_queue_free(GSGLOBAL *gsGlobal, GSQUEUE *Queue);

void gsKit_queue_set(GSGLOBAL *gsGlobal, GSQUEUE *Queue);

void gsKit_mode_switch(GSGLOBAL *gsGlobal, u8 mode);
 
#ifdef __cplusplus
}
#endif
 
#endif /* __GSCORE_H__ */